Quartz

Refractive Index: 1.5442–1.5533
Abbe Number: 68.5–69.7
Crystal System: Uniaxial
Formation: Natural
Dispersion Data: Measured (published fit)
Fits: 1

Refraction Fits

Fit #1— Ghosh 1999

Sellmeier

Valid 0.198–2.0531 µm

$n_{ω}$ ordinary

n_{ω}

= 1.5442

V_{ω}

= 69.7

n_{ω}^{2} = 1 + 0.286041 + \frac{1.070441 λ ^{2}}{λ ^{2} - 0.010059} + \frac{1.102022 λ ^{2}}{λ ^{2} - 1.000 e + 2}

$n_{ε}$ extraordinary

n_{ε}

= 1.5533

V_{ε}

= 68.5

n_{ε}^{2} = 1 + 0.288518 + \frac{1.095099 λ ^{2}}{λ ^{2} - 0.01021} + \frac{1.156625 λ ^{2}}{λ ^{2} - 1.000 e + 2}

G. Ghosh, "Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals," Opt. Commun. 163, 95–102 (1999)

Absorption Specimens